Seiko Cal. 7140 - 853

The Seiko 7140-853 represents an important milestone in Seiko's 1989 lineup. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-3480a4166677]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1989

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